72953564 has 12 divisors (see below), whose sum is σ = 128037000. Its totient is φ = 36371568.

The previous prime is 72953557. The next prime is 72953609. The reversal of 72953564 is 46535927.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24734 + ... + 27525.

It is an arithmetic number, because the mean of its divisors is an integer number (10669750).

Almost surely, 2^72953564 is an apocalyptic number.

It is an amenable number.

72953564 is a deficient number, since it is larger than the sum of its proper divisors (55083436).

72953564 is a wasteful number, since it uses less digits than its factorization.

72953564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52612 (or 52610 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 72953564 is about 8541.2858516736. The cubic root of 72953564 is about 417.8452835834.

The spelling of 72953564 in words is "seventy-two million, nine hundred fifty-three thousand, five hundred sixty-four".